SimpleHttpRequest::addHeaderLine PHP Method

    public function addHeaderLine($header_line)
    {
        $this->headers[] = $header_line;
    }

 /**
  *    Adds additional manual headers.
  *    @param SimpleHttpRequest $request    Outgoing request.
  *    @access private
  */
 protected function addAdditionalHeaders(&$request)
 {
     foreach ($this->additional_headers as $header) {
         $request->addHeaderLine($header);
     }
 }